@Test
    void testMinimal() throws BeanConfigurationException {
        SomeBean bean = new SomeBean();

        Xpp3Dom config = toConfig("<file>test</file>");

        DefaultBeanConfigurationRequest request = new DefaultBeanConfigurationRequest();
        request.setBean(bean).setConfiguration(config);

        configurator.configureBean(request);

        assertEquals(Paths.get("test"), bean.file);
    }

    @Test

                .orElse(null);
        assertNotNull(pluginExecution, "Wrong id for \"" + artifactId + "\"");

        String config = pluginExecution.getConfiguration().toString();
        assertTrue(
                config.contains(expectedConfig),
                "Wrong config for \"" + artifactId + "\": (" + config + ") does not contain :" + expectedConfig);
    }

    Model interpolate(Model model, File projectDir, ProjectBuilderConfiguration config, boolean debugEnabled)
            throws ModelInterpolationException;

    String interpolate(
            String src, Model model, File projectDir, ProjectBuilderConfiguration config, boolean debugEnabled)
            throws ModelInterpolationException;

        if (request.getVerbose()) {
            systemSession = new DefaultRepositorySystemSession(systemSession)
                    .setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true)
                    .setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true);
        }

        try {
            final CollectResult result =

        if (request.getVerbose()) {
            systemSession = new DefaultRepositorySystemSession(systemSession)
                    .setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true)
                    .setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true);
        }

        try {
            final CollectResult result =

            PlexusConfiguration config = configuration.getChild(parameter.getName(), false);
            if (config != null) {
                String expression = config.getValue(null);

                try {
                    value = expressionEvaluator.evaluate(expression);

                    if (value == null) {
                        value = config.getAttribute("default-value", null);
                    }

    public static final String NAME = "userProperties";
    private static final Logger LOGGER = LoggerFactory.getLogger(UserPropertiesArtifactRelocationSource.class);

    private static final String CONFIG_PROP_RELOCATIONS_ENTRIES = "maven.relocations.entries";

    private static final Artifact SENTINEL = new DefaultArtifact("org.apache.maven.banned:user-relocation:1.0");

    @Override
    public Artifact relocatedTarget(

    }

    protected boolean isValueSet(PlexusConfiguration config, ExpressionEvaluator expressionEvaluator) {
        if (config == null) {
            return false;
        }

        // there are sub items ... so configuration is declared
        if (config.getChildCount() > 0) {
            return true;
        }

        String strValue = config.getValue();

        if (strValue == null || strValue.isEmpty()) {

            String src, Model model, final File projectDir, ProjectBuilderConfiguration config, boolean debug)
            throws ModelInterpolationException {
        try {
            List<ValueSource> valueSources = createValueSources(model, projectDir, config);
            List<InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

            return interpolateInternal(src, valueSources, postProcessors, debug);

        XmlNode toXml(PlexusConfiguration config, ExpressionEvaluator evaluator) throws ExpressionEvaluationException {
            List<XmlNode> children = new ArrayList<>();
            for (PlexusConfiguration c : config.getChildren()) {
                children.add(toXml(c, evaluator));
            }
            String name = config.getName();
            Object value = evaluator.evaluate(config.getValue());